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The 4.3L V6 EcoTec3 engine may start showing the first symptoms of a carbon buildup problem around the 80,000-100,000 mile range. These symptoms include rough idling, sputtering at idle, unsteady acceleration, and decreased power. The only way to fix the issue is by walnut blasting.
28 Οκτ 2014 · The 4.3L LV3 V6 offers 285 hp and 305 lb-ft. of torque, with VVT and direct-injection. No turbo needed.
11 Οκτ 2021 · Hard shifting and insufficient power: A malfunctioning ICV can disrupt the engine’s ability to maintain proper idle speed during gear changes, leading to hard shifting in automatic transmissions. Additionally, a faulty TPS can affect the engine’s power delivery, resulting in reduced acceleration and overall performance.
24 Φεβ 2024 · The most common problem with the Vortec 4.3 involves the idle control valve (ICV) and throttle position sensor (TPS). Both components mount to the throttle body and help control...
24 Φεβ 2016 · From the original two-speed Powerglide, to the three-speed Turbo-Hydramatic 350 and 400, to the 700R4 and 4L60E, and finally to the six-speed electronically-controlled transmissions in late model GM RWD cars, many critical dimensions carried over.
15 Ιουν 2010 · Run your fuel lines from the bypass fuel pressure regulator to the carb. Hook up your engine vitals like, temp sensor, oil pressure, ALT wires, and A/C wiring if you have it and ditch all unused wiring like EGR, 02 Sensors and such. The serpentine belt system from your TBI motor will bolt right up to the other motor.
3 Μαΐ 2022 · Other issues include carbon buildup in the intake manifold, clogged injectors, high-pressure fuel pump failure, and PCV valve failure. We’re going to cover each of these problems in depth and provide some thoughts on overall engine reliability based on our experience working on these trucks.
